IS THERE AN IPC DOCUMENT THAT COVERS SILKSCREENS? IS IT NECESSARY TO USE A SOLDERMASK WITH A SILKSCREEN? WE USUALLY INCLUDE A MARKING NOTE THAT SITES MIL-STD-130 ON OUR DRAWINGS, AND THAT SPEC DOESN'T SPECIFICALLY COVER SILKSCREENS. ANY INPUT ON THE GENERAL SUBJECT OF SILKSCREENING WOULD BE OF INTEREST TO US. THANKS, SHELANN LOCKWOOD